Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 107, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Dec 15, 2021, 7:24 PM CST for 5 counties in Minnesota. It was in force for 51 min. 31 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Dec 15, 2021, 7:24 PM CST (01:24 UTC)
- Expired
- Dec 15, 2021, 8:15 PM CST
- In force
- 51 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Tornado
- Possible
- Damage threat
- Considerable
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Dodge County, MN, Fillmore County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN
The radar
The La Crosse radar (KARX), 100 km from the middle of the area, began a volume at 01:27 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 15, 7:33 PM CST | TSTM WND GST 50 | Hayfield, MN | RELAYED FROM SPOTTERS |
| Dec 15, 7:33 PM CST | TSTM WND GST 50 | Hayfield, MN | RELAYED FROM SPOTTERS. |
| Dec 15, 7:36 PM CST | TSTM WND DMG | Stewartville, MN | REPORTS OF POWER OUTAGES |
| Dec 15, 7:36 PM CST | TSTM WND DMG | Stewartville, MN | REPORTS OF POWER OUTAGES. |
| Dec 15, 7:39 PM CST | TSTM WND GST 50 | 3 S Claremont, MN | ROAD SIGNS DAMAGED |
| Dec 15, 7:39 PM CST | TSTM WND GST 50 | 3 S Claremont, MN | ROAD SIGNS DAMAGED. |
| Dec 15, 7:39 PM CST | TSTM WND GST 53 | Dodge Center, MN | |
| Dec 15, 7:40 PM CST | TSTM WND DMG | 2 S Kasson, MN | ROOF BLOWN OFF ONE SIDE OF AN APPROXIMATELY 200 FOOT LONG LIVESTOCK BUILDING. REPORT VIA TWITTER. TIME ESTIMATED. |
| Dec 15, 7:42 PM CST | TSTM WND GST 70 | 1 Se Dodge Center, MN | CORRECTS PREVIOUS TSTM WND GST REPORT FROM 1 SE DODGE CENTER. |
| Dec 15, 7:44 PM CST | FUNNEL CLOUD | 1 S Harmony, MN | |
| Dec 15, 7:45 PM CST | TSTM WND DMG | 3 S Preston, MN | DAMAGE SOUTH OF PRESTON ALONG COUNTY ROAD 22. TREES TWISTED, APPROXIMATELY 50X80 SHED LIFTED AND CATTLE BARNS DAMAGED. TIME ESTIMATED. |
| Dec 15, 7:45 PM CST | TSTM WND GST 72 | 2 Ese Kasson, MN | MESONET STATION MN029 2 E KASSON. |
| Dec 15, 7:45 PM CST | TSTM WND GST 78 | Rochester Airport, MN | |
| Dec 15, 7:45 PM CST | TSTM WND GST 84 | Harmony, MN | |
| Dec 15, 7:46 PM CST | TSTM WND GST 47 | Preston, MN | |
| Dec 15, 7:48 PM CST | TSTM WND DMG | 2 Se Douglas, MN | |
| Dec 15, 7:50 PM CST | NON-TSTM WND GST 72 | 2 Ese Kasson, MN | MESONET STATION MN029 2 E KASSON. |
| Dec 15, 7:53 PM CST | TSTM WND DMG | 1 Wnw Rochester, MN | REPORT FROM MPING: TREES UPROOTED OR SNAPPED; ROOF BLOWN OFF. |
| Dec 15, 7:54 PM CST | TSTM WND GST 60 | Rochester, MN | |
| Dec 15, 7:56 PM CST | NON-TSTM WND GST 57 | 4 Ese Douglas, MN | MESONET STATION AU801 ROCHESTER. |
| Dec 15, 7:58 PM CST | TSTM WND GST 84 | Mabel, MN | |
| Dec 15, 7:59 PM CST | TSTM WND DMG | Eyota, MN | POSSIBLE TORNADO - CAR MOVED BY STRONG WINDS |
| Dec 15, 7:59 PM CST | TSTM WND DMG | Eyota, MN | POSSIBLE TORNADO - CAR MOVED BY STRONG WINDS. |
| Dec 15, 8:00 PM CST | NON-TSTM WND GST 47 | 3 Ssw Hammond, MN | MESONET STATION EW7548 ROCHESTER. |
| Dec 15, 8:00 PM CST | NON-TSTM WND GST 74 | 2 Sse Eyota, MN | MESONET STATION MN011 JCT CR 7 I-90 MILE POST 226. |
| Dec 15, 8:02 PM CST | TSTM WND GST 52 | St. Charles, MN | |
| Dec 15, 8:05 PM CST | TSTM WND DMG | Plainview, MN | LARGE POLE SHED SUSTAINED EXTENSIVE DAMAGE. VIA KIMT TWITTER. TIME ESTIMATED. |
| Dec 15, 8:10 PM CST | TSTM WND DMG | Lewiston, MN | POWER OUTAGES REPORTED |
| Dec 15, 8:10 PM CST | TSTM WND DMG | Lewiston, MN | POWER OUTAGES REPORTED. |
| Dec 15, 8:10 PM CST | TSTM WND DMG | Peterson, MN | MATURE, LARGE PINE TREE DOWN REPORT VIA MEDIA ON TWITTER. |
| Dec 15, 8:10 PM CST | TSTM WND GST 85 | Plainview, MN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 15, 5:30 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 1.4 hours before the alert went out and 142 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 633 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 770 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 443 m²/s²
- 0-3 km storm-relative helicity
- 470 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.7
The text
As transmitted.
929
WUUS53 KARX 160124
SVRARX
MNC039-045-109-157-169-160215-
/O.NEW.KARX.SV.W.0107.211216T0124Z-211216T0215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service La Crosse WI
724 PM CST Wed Dec 15 2021
The National Weather Service in La Crosse has issued a
* Severe Thunderstorm Warning for...
Western Winona County in southeastern Minnesota...
Olmsted County in southeastern Minnesota...
Southwestern Wabasha County in southeastern Minnesota...
Dodge County in southeastern Minnesota...
Fillmore County in southeastern Minnesota...
* Until 815 PM CST.
* At 723 PM CST, severe thunderstorms were located along a line
extending from near Blooming Prairie to 6 miles north of Le Roy to
7 miles north of Jerico, moving north at 85 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Severe thunderstorms will be near...
Hayfield around 730 PM CST.
Dodge Center, Mantorville, Kasson, Stewartville and Claremont
around 735 PM CST.
Harmony and West Concord around 740 PM CST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CST for northeastern
Iowa...and southeastern Minnesota.
For your protection move to an interior room on the lowest floor of a
building.
A Tornado Watch remains in effect until 1100 PM CST for northeastern
Iowa...and southeastern Minnesota.
&&
LAT...LON 4420 9304 4419 9207 4385 9173 4350 9173
4350 9209 4384 9227 4383 9268 4385 9269
4385 9304
TIME...MOT...LOC 0123Z 201DEG 74KT 4386 9298 4360 9254 4328 9228
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Rieck2 follow-up statements
740
WWUS53 KARX 160139
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
739 PM CST Wed Dec 15 2021
MNC039-045-109-157-169-160215-
/O.CON.KARX.SV.W.0107.000000T0000Z-211216T0215Z/
Winona MN-Olmsted MN-Wabasha MN-Dodge MN-Fillmore MN-
739 PM CST Wed Dec 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CST
FOR WESTERN WINONA...OLMSTED...SOUTHWESTERN WABASHA...DODGE AND
FILLMORE COUNTIES...
At 739 PM CST, severe thunderstorms were located along a line
extending from Mantorville to 6 miles northwest of Wykoff to 6 miles
southwest of Harmony, moving northeast at 75 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Chatfield, St. Charles, Pine Island, Eyota, Oronoco, Dover,
Lanesboro, Plainview, Rushford and Altura.
This includes Interstate 90 in Minnesota between mile markers 205 and
246.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CST for northeastern
Iowa...and southeastern Minnesota.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4420 9304 4419 9207 4385 9173 4350 9173
4350 9209 4384 9227 4383 9268 4385 9269
4385 9304
TIME...MOT...LOC 0139Z 211DEG 69KT 4406 9277 4380 9233 4348 9207
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Rieck874
WWUS53 KARX 160208
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
808 PM CST Wed Dec 15 2021
MNC039-045-109-157-169-160217-
/O.EXP.KARX.SV.W.0107.000000T0000Z-211216T0215Z/
Winona MN-Olmsted MN-Wabasha MN-Dodge MN-Fillmore MN-
808 PM CST Wed Dec 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN WINONA...OLMSTED...
SOUTHWESTERN WABASHA...DODGE AND FILLMORE COUNTIES WILL EXPIRE AT 815
PM CST...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 1100 PM CST for northeastern
Iowa...and southeastern Minnesota.
LAT...LON 4420 9304 4419 9207 4385 9173 4350 9173
4350 9209 4384 9227 4383 9268 4385 9269
4385 9304
TIME...MOT...LOC 0207Z 270DEG 74KT 4421 9216 4395 9172 4363 9146
$$
RieckThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 15, 6:37 PM CST | Severe Thunderstorm Warning | ARX | Fillmore, Mower | 68 min |
| Dec 15, 7:38 PM CST | Tornado Warning | ARX | Fillmore, Houston | 37 min |
| Dec 15, 7:49 PM CST | Tornado Warning | ARX | Olmsted | 14 min |
| Dec 15, 7:53 PM CST | Severe Thunderstorm Warning | ARX | Houston, Wabasha, Winona | 67 min |
| Dec 15, 7:58 PM CST | Tornado Warning | ARX | Winona | 47 min |
| Dec 15, 8:01 PM CST | Tornado Warning | ARX | Wabasha | 44 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.